Funding for this research was provided by:
Tehran University of Medical Sciences and Health Services (26129)
Text and Data Mining valid from 2018-07-11
Received: 11 July 2017
Accepted: 25 June 2018
First Online: 11 July 2018
Ethics approval and consent to participate
: The study was approved by the Tehran University of Medical Sciences Ethics Committee (EC-00308) and all participants provided written informed consent.
: Not applicable.
: The authors declare that they have no conflict of interest.
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